Home / 42,028.70-63,050.54-13,950.42

Finding the Fourth Proportional to 42,028.70, 63,050.54 and 13,950.42

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Solution

The fourth proportional to 42,028.70, 63,050.54 and 13,950.42 is: 20,928.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,028.70 : 63,050.54 = 13,950.42 : x
  2. Step 2: Convert to fraction form
    42,028.70/63,050.54 = 13,950.42/x
  3. Step 3: Cross multiply
    42,028.70x = 63,050.54 × 13,950.42
  4. Step 4: Simplify right side
    42,028.70x = 879,581,198.97
  5. Step 5: Solve for x
    x = 879,581,198.97/42,028.70
  6. Step 6: Final answer
    x = 20,928.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.